External Hex, Internal Hex, Internal Torx
20 mm, 9/16 ", 5.5 mm, 15/16 ", 23 mm
3/8, 1/4, 1, 1-1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
26 mm, 34 mm, 1-11/16 in, 3-3/4 in, 8 in
12-Point, External Torx, 4-Point, 7-Point, 8-Point
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